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Ultra High Molecular Weight Polyethylene Pipes(UHMWPE pipes/tubes):
UHMWPE is a kind of thermoplastic engineering plastics with average molecular weight more
than 1,500,000, catalyzed by ethylene and divinylic monomer. The UHMWPE material has the max value of wear resistance, low temperature resistance, corrosive resistance, and impact resistance among all the plastics. Its wear resistance is better than silico-mangan steel, carbon steel, brass, etc. It could work under the temperature of -75 degree celsius to 80 degree celcius for a long time, known as"amazing engineering plastics". It is widely used in mining, metallurgy, petroleum,textile,papaer-making,food, chemical, machinery, electrical indutry,etc.
UHMWPE pipe is low carbon product. The UHMWPE pipe production only powered by electricity, and there is no hazardous gas emission. The equivalent emission of carbon dioxide and sulfur dioxide is only 15% of steel pipe production, which toally meets the worldwide requirements of low carbon emission.
UHMWPE Pipes Images:
UHMWPE Pipe Advantages:
Anti-abrasion: the abrasion value of UHMWPE pipe is 1/4 of steel pipe, 1/3 of HDPE pipe under same working conditions.
Water hammer resistance: UHMWPE pipes have strong enduring capability to the impacts from various sands, mud and slurries.
Corrosive resistance: Higher structure stability, corrosion resistant to various chemical mediators. No electrochemical corrosion, no need anti-corrosive coating.
Self-lubrication: The roughness of UHMWPE is 0.00022mm. The pressure loss of UHMWPE pipe is 1/10 of steel pipes, 1/7 of nylon pipes. Over 20% of transfer efficiency will be increased.
Non-scaling: the internal wall is very smooth, preventing the fouling on the wall and no influence to the production efficiency.
Light weight: the density of UHMWPE pipe is only 1/8 of steel pipe. It is easy to move and install, especially suitable for the working sites at where the lifting machines could not work.
Easy connection: flanges are available to connect the pipes, no need washers. The installation will be very easy and fast. There are no dangers and concerns of water leakage.
Performances Comparisons between Different Dredging Pipes
|
Item |
Test Method |
Unit |
UHMWPE Pipe |
HDPE Pipe |
PA66 Pipe |
PVC Pipe |
Steel Pipe |
Molecular Weight |
ISO1628-3 |
104g/mol |
350-1050 |
4-50 |
— |
— |
— |
Melting Temperature |
ISO11357.3 |
℃ |
136 |
129 |
255 |
160 |
1410 |
Water Absorption |
ISO62-1999 |
% |
<0.01 |
<0.01 |
3.8 |
0.5 |
— |
Coefficient of Linear Expansion |
ISO11359-2 |
10-4/℃ |
1.5 |
1.2 |
0.8 |
0.9 |
0.17 |
Density |
ISO1183-1-2004 |
g/cm3 |
0.935-0.945 |
>0.940 |
1.13-1.15 |
1.4 |
7.8 |
Heat Deformation Tempat 0.45Mpa |
ISO75 |
℃ |
85 |
71 |
182-224 |
≥54 |
1230 |
Tensile Strength |
ISO527 |
MPa |
>39 |
<25 |
61 |
40 |
550 |
Yield Strength |
ISO527 |
MPa |
≥22 |
20 |
— |
19 |
≥245 |
Tensile Elongation |
ISO527 |
% |
≥250 |
≥350 |
60-300 |
60 |
20 |
Gap Beam Impact Strength |
ISO179 |
KJ/m2 |
No break |
<27 |
5.9-10.8 |
<10 |
No break |
Brittleness Temperature |
ISO974-2000 |
℃ |
-140 |
-70 |
-40 |
-20 |
|
Rockwell Hardness |
ISO2039-2 |
R |
40 |
33 |
85-120 |
118 |
45(C) |
Friction Coefficient |
ISO8295 |
— |
0.05-0.11 |
0.28 |
0.37 |
0.4-0.6 |
0.58 |
Mortar Wear Index |
— |
— |
1 |
10 |
5 |
10 |
7 |
Scaling |
— |
— |
No Scaling |
Slight |
Slight |
Slight |
Heavy |
Corrosion Resistance |
— |
— |
Excellent |
Fair |
Fair |
Fair |
Bad |
UHMWPE Pipe Specification:
Contact With US:
Clare Zhang Mob: +86 189 6356 5106
WhatsApp/Viber: +86 150 5458 0766
Email:
Skype: clarezhang2009
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